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Weekly Features

Draft counterflow cooling towers ideal for cooling slurry

By: Bruce Montiea With the copper mining industry in mind, industrial cooling tower systems provider Industrial Water Cooler (IWC) designs and manufactures forced draft counterflow cooling towers for the specific pressure-leach process used in copper mining. IWC MD Roger Rusch says the cooling towers excel at... 

Ice plants ease underground mining conditions

By: Bruce Montiea In response to the intense heat that underground mineworkers endure, refrigeration specialist KTI-Plersch offers a cooling solution comprising modular containerised Plate Ice Plants  (PLIP). Several PLIPs, with individual capacities of up to 220 t, make up a 5 MW, a 10 MW or a 20 MW ice cooling... 

Ice plants ease underground mining conditions
ICE FACTORY KTI-Plersch’s ice cooling system helps mining companies to create a safer and healthier working environment to improve working conditions for mineworkers

Reliable temperature control solutions prevent lost time

By: Bruce Montiea Temporary power and temperature-control solutions supplier Aggreko can provide mining companies with reliable solutions, enabling them to continue their operations without interference such as equipment breakdowns or maintenance downtime, says Aggreko Southern Africa GM Martin Foster. “Our... 

Reliable temperature  control solutions  prevent lost time
COOLING SYSTEM Aggreko supplies a full range of water and air-cooled chillers, cooling towers and bulk air coolers, all utilising an environment-friendly refrigerant system

Spin-filter technology reduces dust at platinum mine

By: Bruce Montiea With the local mining industry facing increasing pressure to contain costs and maintain profits while overcoming several industry challenges, such as ensuring clean and filtered underground air, mining houses are looking to the engineering industry to offer innovative ways of dealing with these... 

Spin-filter technology  reduces dust at platinum mine
MOGALAKWENA MINE, NORTH WEST Spin filters are an effective solution to dust build-up at mines

Earthmoving and excavation method used for ventilation

Engineering contracting and construction services company Murray & Roberts Cementation has taken an unconventional approach to a project that will see the establishment of two ventilation shafts at platnium miner Anooraq Resources’ Bokoni platinum mine, in Limpopo, scheduled for completion in... 

Modular underground cooling units prove to be well suited to remote locations

By: Jonathan Rodin Gold miner Gold Fields is currently using four of engineering company M-Tech Industrial’s Mk II modular underground air-cooling units (ACU) at its Beatrix No 4 gold mine, instead of using its static surface refrigeration plant during the past winter months. 

New business model proves to be successful

By: Jonathan Rodin Although the shared-savings business model of technology service provider and manufacturer of advanced composite fans MechCal is a paradigm shift for the mining industry, MechCal MD Gavin Ratner reports that the company is a positive response to the new way of thinking. 

Ventilation and cooling planning hampered by challenges

By: Jonathan Rodin Many factors affect the implementation of ventilation and cooling in the mining industry, which makes accurate planning difficult, says technology and industrial company Johnson Controls operations manager Russell Hattingh. This could include politics, economics, labour and the geology of the... 

Company suited to replacing inefficient mine ventilation fans

By: Chantelle Kotze As an Eskom Integrated Demand Management (IDM) division-accredited energy services company, high-performance fan designer and manufacturer MechCal can help mines to replace their existing auxiliary vent fans at minimal cost and enable them to improve their efficiencies through the installation of... 

Contracts in excess of R200m under way 

By: Chantelle Kotze Ventilation, refrigeration and cooling specialist Bluhm Burton Engineering (BBE) Projects will commission the first of four phases of a R200-million turnkey bulk air-cooling system installation for platinum miner Impala Platinum’s (Implats’) No 17 Shaft project in Rustenburg this month. 

Cost-effective gas detection, vibration multisensor network suited to mining applications

Israel-based air quality monitoring technology provider AirBase Systems and Germany-based manufacturer of industrial input devices and peripherals, Code Mercenaries, have partnered to offer a cost-effective combined sensing network, called Mines SensNet, to the mining industry. 

Extra low-voltage refuge chamber added to range

By: Chantelle Kotze Emergency safe-refuge chamber manufacturer MineARC Systems has added a new extra-low-voltage portable refuge chamber to its hard-rock underground mine range, for miners who suddenly become trapped in a hazardous or toxic environment, says Africa business development manager Tom Long. 

Spin filter technology to ventilate underground mines

By: Chantelle Kotze Tshwane-based technology and solutions provider Rand Technical Services (RTS) received an order from a local engineering company last month for an inertial spin filter to provide ventilation for the control room of a Mozambique-based mineral sands miner. 

3D simulation software package for mine ventilation

By: Natalie Greve Ventilation and refrigeration consulting engineering firm Bluhm Burton Engineering (BBE) has released a three-dimensional (3D) version of its Ventilation of Underground Mine Atmospheres (Vuma) software package used to calculate heat loads and air flow distribution in underground mining operations. 

Heat stress management is essential for underground miners

By: Natalie Greve The screening of miners to determine their heat tolerance levels and individual risk profiles is a necessity in hot underground working environments to ensure their physical and physiological tolerance of extreme temperature fluctuations, and to prevent heat disorders. 

Methane-reduction technology to be applied at coal operation

Bituminous coal and natural gas company Consol Energy has joined with natural resources firm Verdeo Group, to develop the first project aimed at reducing ventilation air methane (VAM) emissions at an active West Virginia coal mine.  

Pelletising plant gets new temperature regulation installation

Diversified miner Xstrata’s pelletising plant at its ferrochrome smelter complex, near Rustenburg, has had a new lagging and cladding system installed, in order to realise improved temperature regulation and increased production efficiency. 

Underground cooling system for remote areas

Underground cooling can be effectively achieved in remote areas, reports underground support systems manufacturer Mine Support Products (MSP) GM Dion Booyens. 

R12m cooling 
project for steel mill

Piping solutions company Victaulic and cooling and heat transfer consultancy Evapco have expanded the process cooling systems at the Middelburg, Mpumalanga province, mill of steel producer Columbus Stainless. 

Efficient designs improve ventilation and cooling systems performance

By: Schalk Burger The design of infrastructure to enable ventilation and cooling systems to operate more efficiently and effectively is important in reducing energy and water use, says engineering, management and specialist technical services group Aurecon principal sustainable buildings engineer Jeff Robinson. 

New bulk cooling plant for platinum mine

Ventilation, refrigeration and cooling specialists Bluhm Burton Engineering (BBE) commissioned a surface bulk-air cooler and refrigeration plant for platinum major Impala Platinum’s (Implats’) No 20 Shaft project, says BBE MD Richard Gundersen.  

Smoke extraction motors boost safety in fire emergencies

The asynchronous three-phase squirrel cage smoke extraction motors from motor supplier Leroy-Somer continue to operate in high temperatures during fire emergencies on mines, says Leroy-Somer South Africa MD Grant Robertson. 

Cool mines with ice

By: Petronel Smit Heating, ventilation, air-conditioning and refrigeration solutions company Johnson Controls Systems & Service South Africa reports that ice systems used for thermal storage on the surface of mines or for ice dams underground can significantly reduce energy consumption in deep level mines. 

Mobile unit cools mines without chilled water

By: Petronel Smit Multidisciplinary engineering company M-Tech Industrial has introduced a locally patented modular underground air-cooling unit (ACU), which uses water at temperatures as high as 40 °C in the heat sink, instead of only chilled water, to directly cool work areas. 

Research, skills and energy prices affect the future of mine ventilation

By: Petronel Smit Industry body the Mine Ventilation Society of South Africa (MVS) says that the high energy prices and a lack of applied research and skills are affecting the development of novel technologies in this field of expertise and the effective management of safety and health measures in mining ventilation. 

Achieving success with customised cooling systems

Heating, ventilation and cooling specialist Booyco Engineering reports an approbative market response on its custom engineered cooling system, the Booyco Bushcooler. 

Alternative ducting breaks into market sectors

By: Loni Prinsloo Ventilation specialist ABC Ventilation Systems (ABC) is supplying all the underground sections of the Gautrain project with flexible ducting for ventilation applications. 

Engineering firm implementing energy-efficiency technology in mines

By: Loni Prinsloo Ventilation and refrigeration consulting engineering firm Bluhm Burton Engineering (BBE) is currently implementing energy management refrigeration systems for mines to reduce overall energy consumption and to manage energy consumption during peak electricity demand times. 

Society set on developing skills base

By: Loni Prinsloo The future of the ventilation discipline within the mining industry is extremely favourable. However, the Mine Ventilation Society (MVS) warns that several challenges still need to be dealt with to ensure stability and even greater success in the South African mining industry. 

Consulting engineers implement ventilation energy management systems

By: Chanel de Bruyn Ventilation and refrigeration consulting engineering firm Bluhm Burton Engineering (BBE) is currently implementing energy management ventilation and refrigeration systems for mines to reduce overall energy consumption and to manage energy consumption during peak electricity demand times. 

Local company supplies ventilation systems to SA mines

By: Chanel de Bruyn Local engineering contracting services company for air conditioning, ventilation and air pollution control within the mining and industrial sectors Environmental Control Engineering (ECE) is providing its services and equipment to several mining projects. 

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